A species that influences the survival of many other species in an ecosystem

The disappearance of all members of a species from Earth

Non-native species

The benefits humans receive from ecosystems.

Anything naturally occurring in the environment that humans use

The practice of using less of a resource so that it can last longer.

The ability of an ecosystem to maintain biodiversity and production indefinitely

Is the practice of helping a degraded or destroyed ecosystem recover from damage.

The first species to populate an area during succession

The series of predictable changes that occur in a community over time

A type of symbiosis between 2 species in which one species benefits and the other species is neither helped or harmed

A type of symbiosis in which both species benefit from living together

An interaction in which one organism kills another for food or nutrients

The struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time

An animal that is hunted and killed by another for food

In an ecosystem, the ___________ refers to the unique ways an organism survives, obtains food and shelter, and avoids danger.

The water cycle, soil formation, and carbon cycle are examples of

The Gobi fish and shrimp live closely together. The nearly blind shrimp keeps a burrow for it and the Gobi fish to live. The Gobi warns the shrimp of predators. The shrimp lets the fish live in the burrow. This is an example of

Tapeworms enter the body of their host. They live by taking nutrients from the host organism. This is an example of

If farmers use a controlled burn to prevent forest fires, what would most likely be the first plants to return?

The Black Rhino are endangered mammals that live in Africa. Which of the following are the reasons that animals become endangered? Choose all that apply.

Samantha observes a pond ecosystem near her home and records the changes she observes over a season for her science project. Ecosystems have important value for the organisms within them. Which of the following determines whether an ecosystem is healthy? Choose two that apply.

A disruption to an established ecosystem leads to

The ability of an ecosystem to maintain biodiversity and production indefinelty

Which of the following is not a cultural service?

The greater the ____________________, the more likely a species is to adapt and survive changes to their environment

According to the food web, what is the predator of the grasshopper. Choose all that apply.

According to this food web, which of the following organisms is the prey of the snake?